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Memory Map

The following is a memory map that was generated based on the MAME source code (.180).  This information is only as accurate as the MAME driver is.  If you see any errors, please let me know what that error is.
 
The Memory Area is related to where the information is from (CPU, Sound Board, etc..), and it may also reflect what it has in common with other hardware.
Trivia Quest (Sunn / Techstar, 1984)
Memory Area:cpu_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192RAM, Sharednvram (// cmos ram)
0x2000-0x27FF2048RAM(// main ram)
0x3800-0x380F16Device Read/Writevia6522_1, via6522_device, read, write
0x0001UnknownActive Low
0x0002UnknownActive Low
0x0004ResetActive Low
0x0008Coin 1Active Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x3810-0x381F16Device Read/Writevia6522_2, via6522_device, read, write
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0x3820-0x382F16Device Read/Writevia6522_0, via6522_device, read, write
0x3830-0x38312Device Writeay1, ay8910_device, address_data_w
0x3840-0x38412Device Writeay2, ay8910_device, address_data_w
0x38501Read NOP(//watchdog_reset_r ?)
0x8000-0x9FFF8192Readtrvquest_question_r
0xA0001Read NOP(// bogus read from the game code when reads question roms)
0xA0001Write Only, Sharedtrvquest_q
0xB000-0xFFFF20480ROM
 

ROM Map for this game

 
This is the ROM map for the game.  This should tell you what address the ROM is at, how big it is, what it's used for.   
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0xB000-0xBFFF4096rom3CRC(2ff7f370) (Fluke: 43E8)
0xC000-0xCFFF4096rom4CRC(b1adebcb) (Fluke: 4654)
0xD000-0xDFFF4096rom5CRC(2fc10a15) (Fluke: 5B97)
0xE000-0xEFFF4096rom6CRC(fabf4846) (Fluke: 525B)
0xF000-0xFFFF4096rom7CRC(a9f56551) (Fluke: 6BD0)
Memory Area:questions
Address RangeLengthLabel/LocationDescription
0x6000-0x7FFF8192romiCRC(c8368f69) (Fluke: E183)
0x8000-0x9FFF8192romhCRC(f3aa8a08) (Fluke: 9E7B)
0xA000-0xBFFF8192romgCRC(f85f8e48) (Fluke: D970)
0xC000-0xDFFF8192romfCRC(2bffdcab) (Fluke: 6624)
0xE000-0xFFFF8192romeCRC(3ff66402) (Fluke: E2DF)
0x10000-0x11FFF8192romdCRC(4e21653f) (Fluke: A645)
0x12000-0x13FFF8192romcCRC(081a5322) (Fluke: 454D)
0x14000-0x15FFF8192rombCRC(819ab451) (Fluke: 6E59)
0x16000-0x17FFF8192romaCRC(b4bcaf33) (Fluke: B358)
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